.png){kind=logo}
Water holding capacity is maximum in
General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 21 of Quiz-1468 (Que-ID : 3464)
Water holding capacity is maximum in
- Clay
- Sand
- Slit
- Gravel
Ans → (a)Clay
Explanation → Water holding capacity is maximum in Clay
This question is taken from this post → Organisms and Populations : Biology (Class 12th) Revision Test | MCQs for NEET - attemp/practice
More MCQs in - Organisms and Populations : Biology (Class 12th) Revision Test | MCQs for NEET
Q. 1 of Quiz-1468 (Que-ID : 3444)
For human population, the age pyramids generally show age distribution of
- Only males
- Only females
- Of males and females
- None of the above
Q. 2 of Quiz-1468 (Que-ID : 3445)
The size of the population tells us a lot about its status in the
- Environment
- Sex-ratio
- Age pyramid
- Habitat
Q. 3 of Quiz-1468 (Que-ID : 3446)
The number of deaths in the population during a given period is referred to
- Natality
- Mortality
- Sex-ratio
- None of the above
Q. 4 of Quiz-1468 (Que-ID : 3447)
The number of birth during a given period in the population that are added to the initial density is referred to
- Natality
- Mortality
- Sex-ratio
- None of the above
Q. 5 of Quiz-1468 (Que-ID : 3448)
Parasites that live inside the host body at different sities are called
- Ecto parasites
- Endo parasites
- Brood parasitism
- None of the above
Q. 6 of Quiz-1468 (Que-ID : 3449)
Parasites that feed on the external surface of the host organism are called
- Ecto parasites
- Endo parasites
- Brood parasitism
- None of the above
Q. 7 of Quiz-1468 (Que-ID : 3450)
If one species is harmed whereas the other is unaffected is called
- Commensalism
- Amensalism
- Mutualism
- None of the above
Q. 8 of Quiz-1468 (Que-ID : 3451)
The interaction where one species is benefitted and the other is neither benefitted nor harmed is called
- Commensalism
- Amensalism
- Mutualism
- None of the above
Q. 9 of Quiz-1468 (Que-ID : 3452)
One species benefit in
- Parasitism
- Predation
- Mutualism
- Both (a) and (b)
Q. 11 of Quiz-1468 (Que-ID : 3454)
Both the species benefit in
- Parasitism
- Mutualism
- Competition
- Predation
Q. 12 of Quiz-1468 (Que-ID : 3455)
A stage of suspended development is called
- Diapause
- Suspend
- Migrate
- Aestivation
Q. 13 of Quiz-1468 (Que-ID : 3456)
To avoid summer-related problems – heat and desiccation by organism is called
- Hibernation
- Suspend
- Migrate
- Aestivation
Q. 14 of Quiz-1468 (Que-ID : 3457)
Winter sleep is also called as
- Hibernation
- Suspend
- Migrate
- Aestivation
Q. 15 of Quiz-1468 (Que-ID : 3458)
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
- Suspend
- Migrate
- Hibernation
- Aestivation
Q. 16 of Quiz-1468 (Que-ID : 3459)
Habitat together with functions of a species constitute its:
- Topography
- Trophic level
- Boundary
- Ecological niche
Q. 17 of Quiz-1468 (Que-ID : 3460)
The maximum growth rate occurs in
- Lag phase
- Exponential, phase
- Stationary phase
- Senescent phase
Q. 18 of Quiz-1468 (Que-ID : 3461)
In which one of the following habitats, does the diurnal temperature of soil surface view most?
- Shrub land
- Forest
- Desert
- Grassland
Q. 19 of Quiz-1468 (Que-ID : 3462)
Science linking heredity with environment is:
- Ecology
- Ecophysiology
- Genecology
- Genetics
Q. 20 of Quiz-1468 (Que-ID : 3463)
Submerged hydrophytes have disseced leaves for
- Decreasing surface area
- Increasing surface area
- Reducing effect pf water currents
- Increasing number of stomata
Q. 22 of Quiz-1468 (Que-ID : 3465)
Animals undergo inactive stage during winters. It is called
- Acclimatisation
- Hibernation
- Aestivation
- Adapatation
Q. 23 of Quiz-1468 (Que-ID : 3466)
Praying mantis is a good example of
- Camouflage
- Mullarian mimicry
- Warning colouration
- Social insect
Q. 24 of Quiz-1468 (Que-ID : 3467)
Animals have innate ability to escape from predation. Select the incorrect example:
- Colour change in Chameleon
- Enlargement of body by swallowing air in puffer fish
- Poison fangas of snakes
- Melaninin in moths
Q. 25 of Quiz-1468 (Que-ID : 3468)
Ozone protects biosphere from high energetic:
- Infra-red rays
- Ultraviolet rays
- X-rays
- gamma rays
More MCQs In - General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 4 of Quiz- (Que-ID : 2822)
Meiosis does not occur in
- asexually reproducing diploid individuals
- sexually reproducing haploid individuals
- sexually reproducing diploid individuals
- all of these.
Q. 19 of Quiz- (Que-ID : 2632)
What are the structural and functional units of liver
- Hepatic cells
- Hepatic lobules
- Hepatic glands
- None of the above
Q. 9 of Quiz- (Que-ID : 3227)
Thors and spines are
- homologous organs
- analogous organs
- thron is homologous while spine is analogous
- spine is homologous while is analogous
Q. 5 of Quiz- (Que-ID : 3173)
Which one of the four parts mentioned below is not part of a single uriniferous tubule ?
- Bowman scapsule
- Loop of Henle
- Distal convoluted tubule
- Collecting ducts
Q. 25 of Quiz- (Que-ID : 3393)
A microbial biocontrol agent that can be used to control butterfly caterpillars is
- Trichoderma polysporum
- Bacillus thuringiensis
- Streptococcus
- mycorrhiza
Q. 24 of Quiz- (Que-ID : 3317)
The primate which existed 15 mya was
- Homo habilis
- Australopithecus
- Ramapithecus
- Homo erectus
Q. 3 of Quiz- (Que-ID : 3321)
Which of the following pairs contains an infectious and a non-infectious disease respectively ?
- Typhoid and AIDS
- AIDS and cancer
- Pneumonia and malaria
- Cancer and malaria
Q. 10 of Quiz- (Que-ID : 3178)
The main function of the skin of frog is
- the exchange of respiratory gases
- the storage of fat
- the storage of energy
- to convert light vitamin D
Q. 12 of Quiz- (Que-ID : 3405)
In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be
- both transformants and non-transformants cannot survive
- both transformants and non-transformants can survive.
- transformants only and not the non-transformants can survive
- transformants cannot survive, but non-transformants can not.
Q. 22 of Quiz- (Que-ID : 3490)
Which types of the following pyramid are never inverted?
- Pyramid of energy
- Pyramid of biomass
- Pyramid of number
- Pyramid of dry biomass
Q. 20 of Quiz- (Que-ID : 3013)
Synaptonemal complex dissolves in _____ stage.
- Zygotene
- Pachytene
- Diakinesis
- Diplotene
Q. 22 of Quiz- (Que-ID : 2790)
A group of closely related classes is called
- Genus
- Phylum
- Family
- Order
Q. 25 of Quiz- (Que-ID : 2918)
At what stage of life is oogenesis initiated in a human female ?
- At puberty
- During menarch
- During menopause
- During embryonic development
Q. 24 of Quiz- (Que-ID : 3392)
Dragonflies are used to get rid of
- mosquitoes
- aphids
- butterfly caterpillars
- both (a) and (b)
Q. 19 of Quiz- (Que-ID : 3537)
Act formulated in 1996 was
- Insecticide Act
- Air (Prevention and Control of Pollution) Act
- Water (Prevention and control of Pollution) Act
- Environment protection Act
Q. 20 of Quiz- (Que-ID : 3488)
Which of the following ecosystem has highest gross primary productivity
- Grassland
- Coral reefs
- Mangrooves
- Rainforests
Q. 23 of Quiz- (Que-ID : 3241)
Dry indehiscent single seeded fruit formed by bi-carpellary syncarpous inferior ovary is
- Cremocarp
- Berry
- Caryopsis
- Cypsela
Q. 1 of Quiz- (Que-ID : 2744)
Which hormones is a stress hormone
- Norepinephrine
- Androgen
- Cortisol
- FSH
Q. 16 of Quiz- (Que-ID : 2759)
Which hormone inhibits release of growth hormone
- Insulin
- Gonadotrophin
- Somatostatin
- Thymosin
Q. 17 of Quiz- (Que-ID : 3335)
Injection of antitoxin in tetanus confers which type of immunisation ?
- Active immunisation
- Passive immunisation
- Auto-immunisation
- Humoral immunisation
Q. 3 of Quiz- (Que-ID : 3296)
The presence of gill slits, in the embryos of vertebrates, supports the theory of
- metamorphosis
- biogenesis
- organic evolution
- recapitulation
Q. 18 of Quiz- (Que-ID : 2861)
Plants with ovaries having only one or a few ovules are generally pollinated by
- bees
- Butterflies
- birds
- Wind
Q. 4 of Quiz- (Que-ID : 2947)
Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DN A ?
- Rosalind Franklin
- Maurice Wilkins
- Erwin Chargaff
- Meselson and Stahl
Q. 10 of Quiz- (Que-ID : 3353)
Which of the following is an example of a cross-breed ?
- Mule
- Hilsa
- Hisardale
- Sahiwal
Q. 3 of Quiz- (Que-ID : 2616)
Where is paratoid salivary gland is situated
- Lower jaw
- Below tongue
- Upper jaw
- Cheek
Q. 12 of Quiz- (Que-ID : 3205)
Which of the following helps in the curling of the leaf surface?
- Bulliform cells
- Xylem tissue
- Palisade parenchyma
- Bundle sheath cells
Q. 2 of Quiz- (Que-ID : 3345)
Which of the following is correctly matched ?
- Sericulture – Fish
- Aquaculture – Mosquito
- Apiculture – Honeybee
- Pisciculture – Silkmoth
Q. 20 of Quiz- (Que-ID : 3338)
During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hosts ?
- Human
- Female Anopheles mosquito
- Male Anopheles mosquito
- Both (a) and (b)
Q. 4 of Quiz- (Que-ID : 1966)
Pasteurization of milk means-
- All bacteria are killed
- Milk is enriched with vitamins
- Pathogenic bacteria are killed
- Milk casein is partially digested
Q. 21 of Quiz- (Que-ID : 3539)
The natural aging of the lake is called
- Biomagnification
- Eutrophication
- BOD
- None of the above
Q. 9 of Quiz- (Que-ID : 2902)
In oocyte secondary maturation occurs in
- ovary
- abdominal cavity
- Fallopian tube
- uterus.
Q. 10 of Quiz- (Que-ID : 3478)
Physical and chemical properties of soil studied by
- Climatic factor
- Biotic factor
- Soil factor
- Topographic factor
Q. 1 of Quiz- (Que-ID : 3319)
A person with sickle cell anaemia is
- more prone to malaria
- more prone to typhoid
- less prone to malaria
- less prone to typhoid
Q. 8 of Quiz- (Que-ID : 3151)
Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids
- Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
- Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
- Assertion is true, but Reason is false.
- Both Assertion and Reason are false
Q. 24 of Quiz- (Que-ID : 2637)
In which condition the food is not digested properly leading to feeling of fullness
- Indigestion
- Constipation
- Diarrhoea
- None of the above
Q. 19 of Quiz- (Que-ID : 3187)
Which of the following helps in locomotion of earthworms?
- Clitellum
- Setae
- Intersegmental grooves
- Nephridiophores
Q. 13 of Quiz- (Que-ID : 3256)
Phylum that doesnt have a true coelom is
- Platyhelminthes
- Annelida
- Echinoderms
- Arthropoda
Q. 22 of Quiz- (Que-ID : 3265)
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
- Annelida
- Mollusca
- Cnidaria
- Echinodermata
Q. 6 of Quiz- (Que-ID : 2699)
What are 8,9 and 10th ribs known as
- True ribs
- False ribs
- Floating ribs
- None of the above
Q. 23 of Quiz- (Que-ID : 3416)
Two microbes found to be very useful in genetic, engineering are
- Escherichiya Coli and Agrobacterium tumefaciens
- Virbio chloerae and tailed bacteriophage
- Diplococcus sp and pseudomonas sp
- None of these
Q. 19 of Quiz- (Que-ID : 2887)
Which of the following correctly describes the measures hat can be used to control over-population ?
- Educating people about the advantages of a small family
- Raising the age of marriage
- Encouraging family planning programme
- All of these
Q. 24 of Quiz- (Que-ID : 2967)
Amino acids which are specified by single codons are
- phenylalanine and arginine
- tryptophan and methionine
- valine and proline
- methionine and aroinine
Q. 24 of Quiz- (Que-ID : 2792)
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
- Remain same
- Will increase
- Will decrease
- May increase or decrease
General Awareness (GA) MCQs
Miscellaneous MCQs
General Science MCQs
Mathematics MCQs
Pharmacy MCQs
General Intelligence MCQs
English Language MCQs
Pharmacognosy MCQs
Current Affairs MCQs
Pharmacology MCQs
सामान्य हिन्दी MCQs
Books and Authors MCQs
Indian history MCQs
General Science (GS) MCQs
Chemistry MCQs
Biology MCQs
Physics MCQs
Parts of Speech MCQs
One Word Substitutions MCQs
Health Education MCQs
Web Development MCQs
Human Anatomy and Physiology MCQs
Microbiology MCQs
Zoology MCQs
Botany MCQs
Bio Organic Chemistry MCQs
Biochemistry MCQs
Reasoning MCQs
Pharmaceutical Jurisprudence MCQs
General Pharmacology MCQs
Pharmaceutics MCQs
World Geography MCQs
Geography of India MCQs
Pharmaceutical Chemistry (Inorganic) MCQs
Pharmaceutical Organic Chemistry MCQs
Drug Store and Business Management MCQs
Hospital and Clinical Pharmacy MCQs
Indian Art, Culture and Heritage MCQs
World History MCQs
Computer MCQs
Pathophysiology MCQs
Community Health Nursing MCQs